!%Daylight Solutions Inc.%! of San Diego has closed a $15 million Series C equity financing round with Northrop Grumman Corp., the lead investor, and several of the company’s existing investors. The financing will allow the company to develop a family of quantum cascade laser-based products based on a modular, open source, core technology platform, meeting the requirements of demanding environments in defense as well as commercial markets. The company’s products address molecular detection and imaging applications that benefit from mid- and long-wave infrared illumination.